Home / 8,564.90-11,819.08-4,787.31

Finding the Fourth Proportional to 8,564.90, 11,819.08 and 4,787.31

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Solution

The fourth proportional to 8,564.90, 11,819.08 and 4,787.31 is: 6,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.90 : 11,819.08 = 4,787.31 : x
  2. Step 2: Convert to fraction form
    8,564.90/11,819.08 = 4,787.31/x
  3. Step 3: Cross multiply
    8,564.90x = 11,819.08 × 4,787.31
  4. Step 4: Simplify right side
    8,564.90x = 56,581,602.68
  5. Step 5: Solve for x
    x = 56,581,602.68/8,564.90
  6. Step 6: Final answer
    x = 6,606.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.